Finding the Fourth Proportional to 984,356.38, 1,476,657.78 and 385,240.18
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Solution
The fourth proportional to 984,356.38, 1,476,657.78 and 385,240.18 is: 577,908.49
Step by Step Solution
- Step 1: Write the proportion equation
984,356.38 : 1,476,657.78 = 385,240.18 : x - Step 2: Convert to fraction form
984,356.38/1,476,657.78 = 385,240.18/x - Step 3: Cross multiply
984,356.38x = 1,476,657.78 × 385,240.18 - Step 4: Simplify right side
984,356.38x = 568,867,908,965.60 - Step 5: Solve for x
x = 568,867,908,965.60/984,356.38 - Step 6: Final answer
x = 577,908.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.